MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites hosted on compromised CMS platforms or utilize disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9781
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://cafehinglung.com/uploads/files/6845479170.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160abcb46e2f60---duxugazabigipunuxanesuje.pdf
- https://tolgyesvolgy.hu/userfiles/file/55852116623.pdf
- http://atonoserver.com/userfiles/file/6122246191.pdf
- https://whitesal.com/data/images/file/5455_20210526103217.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e397d2e715---mufefikozasalelafu.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa25b2eb57---davijuforetiguje.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160890fa9db124---16183502856.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/f360206f617e21f6f94a5b636f7603a2/najideru.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff61422091---nokok.pdf
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/segaweduweparujoji.pdf
- http://fygl.net/uploads/file/250830018447.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609df5d377180---64542968697.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/qkqmo7b1586ghk4rshda3a07o5/17200036862.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/duvobiwamokivigagub.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c394a0c42e2---tukopedelop.pdf
- http://fautographie.org/images/userfiles/files/ledab.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/186218a20337b57f5946245888ec9a0b/rirumiwet.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/8a786f8dba7a328e8515aa4743fa0cb9/50420803517.pdf
- http://fhhsclassof70.com/clients/4/42/42ce21dc30e429aa976ba070b22ccf93/File/72600072009.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/b72f478c490513b665539ab4d2ccd293/pupasugamax.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/bl7s6682l68kqpgjfh9b3dgqs3/70304688829.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1609cffeecc442---bogagafezixalerozizulojof.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=inverse+polymerase+chain+reaction
- https://doi.org/10.1111
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0001cab4.bin4c6469db941b3a54eef26103500d23e525bf03e015d98afc90ee0e9dd35f90cf |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1CAB4 | 18176 bytes |
font_00_sfnt_off000199fe.bin63d972d301c01f7912ffbce0b368de2dc5f259310cc4a65390ae84f049aa3137 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x199FE | 10772 bytes |
font_01_sfnt_off0001b2a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B2A3 | 16792 bytes |
font_03_sfnt_off0001e708.bin199d4db9ebaf9365ad28b20d6d87c9296494d072848e7be1d670230165a2ea0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E708 | 20580 bytes |
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